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                <h4 class="panel-title">
                    <a data-toggle="collapse" data-parent="#accordion" href="#collapse13" aria-expanded="true" aria-controls="collapseOne">
                        版本V2.5（2015-07-20）
                    </a>
                </h4>
            </div>
            <div id="collapse13" class="panel-collapse collapse" role="tabpanel">
                <div class="panel-body">
                    <ul>
                        <li>新增计算割集的功能</li>
                        <li>修复大部分BUG</li>
                    </ul>
                </div>
            </div>
        </div>
        <div class="panel panel-primary">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <a data-toggle="collapse" data-parent="#accordion" href="#collapse12" aria-expanded="true" aria-controls="collapseOne">
                        版本V2.4（2015-07-02）
                    </a>
                </h4>
            </div>
            <div id="collapse12" class="panel-collapse collapse" role="tabpanel">
                <div class="panel-body">
                    <ul>
                        <li>画布右键菜单新增校验数据正确性</li>
                        <li>右键菜单新增部分功能键盘相应</li>
                    </ul>
                </div>
            </div>
        </div>
        <div class="panel panel-primary">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <a data-toggle="collapse" data-parent="#accordion" href="#collapse11" aria-expanded="true" aria-controls="collapseOne">
                        版本V2.3（2015-06-17）
                    </a>
                </h4>
            </div>
            <div id="collapse11" class="panel-collapse collapse" role="tabpanel">
                <div class="panel-body">
                    <ul>
                        <li>实现按下键盘方向键移动节点时同步更新节点信息栏的坐标信息</li>
                        <li>新增双击节点弹出名称输入框的功能</li>
                        <li>修复版本日志在IE8下无法显示的BUG</li>
                        <li>修改节点类型数组对象，调整内部数据处理结构</li>
                    </ul>
                </div>
            </div>
        </div>
        <div class="panel panel-primary">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <a data-toggle="collapse" data-parent="#accordion" href="#collapse10" aria-expanded="true" aria-controls="collapseOne">
                        版本V2.2（2015-06-12）
                    </a>
                </h4>
            </div>
            <div id="collapse10" class="panel-collapse collapse" role="tabpanel">
                <div class="panel-body">
                    <ul>
                        <li>修复编辑节点名称之后编号没有自动更新的缺陷</li>
                        <li>添加页面重载前确认信息</li>
                        <li>添加绘制校验功能（所有基本事件与中间事件的上级节点必须是与门或者或门）</li>
                    </ul>
                </div>
            </div>
        </div>
        <div class="panel panel-primary">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <a data-toggle="collapse" data-parent="#accordion" href="#collapse9" aria-expanded="true" aria-controls="collapseOne">
                        版本V2.1（2015-06-05）
                    </a>
                </h4>
            </div>
            <div id="collapse9" class="panel-collapse collapse" role="tabpanel">
                <div class="panel-body">
                    <ul>
                        <li>新增键盘方向键移动多个节点功能</li>
                        <li>修复在节点信息栏修改节点名称之后如果名称存在编号不跟随改变的缺陷</li>
                        <li>新增显示隐藏节点信息栏功能</li>
                        <li>画布添加虚线框表示边界</li>
                        <li>新增重置画布大小功能</li>
                    </ul>
                </div>
            </div>
        </div>
        <div class="panel panel-primary">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <a data-toggle="collapse" data-parent="#accordion" href="#collapse8" aria-expanded="true" aria-controls="collapseOne">
                        版本V2.0（2015-06-04）
                    </a>
                </h4>
            </div>
            <div id="collapse8" class="panel-collapse collapse" role="tabpanel">
                <div class="panel-body">
                    <ul>
                        <li>引入新的数据处理架构，对所有相关数据串处理进行重构</li>
                        <li>修复清空画布之后重新加载数据串会出现连接线不跟随节点的BUG</li>
                        <li>优化界面显示，优化性能</li>
                    </ul>
                </div>
            </div>
        </div>
        <div class="panel panel-primary">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <a data-toggle="collapse" data-parent="#accordion" href="#collapse7" aria-expanded="true" aria-controls="collapseOne">
                        版本V1.5（2015-06-01）
                    </a>
                </h4>
            </div>
            <div id="collapse7" class="panel-collapse collapse" role="tabpanel">
                <div class="panel-body">
                    <ul>
                        <li>完美实现框选节点移动功能</li>
                        <li>实现框选之后如果再点击其他没有被框选的节点则取消框选</li>
                        <li>实现框选多个节点并删除的功能</li>
                        <li>新增正常事件节点</li>
                    </ul>
                </div>
            </div>
        </div>
        <div class="panel panel-primary">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <a data-toggle="collapse" data-parent="#accordion" href="#collapse6" aria-expanded="true" aria-controls="collapseOne">
                        版本V1.4
                    </a>
                </h4>
            </div>
            <div id="collapse6" class="panel-collapse collapse" role="tabpanel">
                <div class="panel-body">
                    <ul>
                        <li>实现画布框选节点移动功能（用户体验暂时不是非常好）</li>
                        <li>完美解决节点大小拖拽与款选的冲突问题</li>
                        <li>调整部分UI显示</li>
                        <li>修复部分BUG</li>
                    </ul>
                </div>
            </div>
        </div>
        <div class="panel panel-primary">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <a data-toggle="collapse" data-parent="#accordion" href="#collapse5" aria-expanded="true" aria-controls="collapseOne">
                        版本V1.3
                    </a>
                </h4>
            </div>
            <div id="collapse5" class="panel-collapse collapse" role="tabpanel">
                <div class="panel-body">
                    <ul>
                        <li>新增框选节点功能</li>
                        <li>新增可拖拽改变节点大小功能</li>
                        <li>修复部分BUG</li>
                    </ul>
                </div>
            </div>
        </div>
        <div class="panel panel-primary">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <a data-toggle="collapse" data-parent="#accordion" href="#collapse4" aria-expanded="true" aria-controls="collapseOne">
                        版本V1.2
                    </a>
                </h4>
            </div>
            <div id="collapse4" class="panel-collapse collapse" role="tabpanel">
                <div class="panel-body">
                    <ul>
                        <li>新增记录画布大小功能</li>
                        <li>修复一些小BUG</li>
                    </ul>
                </div>
            </div>
        </div>
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            <div class="panel-heading">
                <h4 class="panel-title">
                    <a data-toggle="collapse" data-parent="#accordion" href="#collapse3" aria-expanded="true" aria-controls="collapseOne">
                        版本V1.1
                    </a>
                </h4>
            </div>
            <div id="collapse3" class="panel-collapse collapse" role="tabpanel">
                <div class="panel-body">
                    <ul>
                        <li>新增custom.js给用户（开发者）用于添加自己的脚本</li>
                        <li>数据结构中新增size属性，用于记录节点DIV的宽度与高度</li>
                        <li>修复部分BUG</li>
                    </ul>
                </div>
            </div>
        </div>
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            <div class="panel-heading">
                <h4 class="panel-title">
                    <a data-toggle="collapse" data-parent="#accordion" href="#collapse2" aria-expanded="true" aria-controls="collapseOne">
                        版本V1.0.1
                    </a>
                </h4>
            </div>
            <div id="collapse2" class="panel-collapse collapse" role="tabpanel">
                <div class="panel-body">
                    <ul>
                        <li>显示数据串模态窗新增全选复制功能</li>
                        <li>修复部分BUG</li>
                    </ul>
                </div>
            </div>
        </div>
        <div class="panel panel-primary">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <a data-toggle="collapse" data-parent="#accordion" href="#collapse1" aria-expanded="true" aria-controls="collapseOne">
                        版本V1.0
                    </a>
                </h4>
            </div>
            <div id="collapse1" class="panel-collapse collapse" role="tabpanel">
                <div class="panel-body">
                    <strong>初始版本，实现了以下基本功能：</strong><br/><br/>
                    <ul>
                        <li>事故树拖拽绘制</li>
                        <li>保存事故树源数据</li>
                        <li>画布导出图片</li>
                        <li>画布大小设置</li>
                    </ul>
                </div>
            </div>
        </div>


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